If you are managing an older host that still requires this specific client, here is the state of the "hunt":
: While public links are gone, users with active support contracts or registered accounts may still find it deep within the Broadcom Support Portal. You typically have to navigate to the ESXi 6.0 downloads section to find the client listed as a related component. vsphere client 6.0 download link
This client is designed for Windows and is often installed on management stations or jump boxes. Security Warnings: If you are managing an older host that